388633473 has 24 divisors (see below), whose sum is σ = 570915072. Its totient is φ = 254710368.

The previous prime is 388633463. The next prime is 388633477. The reversal of 388633473 is 374336883.

388633473 is a `hidden beast` number, since 3 + 8 + 8 + 633 + 4 + 7 + 3 = 666.

It is not a de Polignac number, because 388633473 - 2⁶ = 388633409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (388633477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165415 + ... + 167747.

It is an arithmetic number, because the mean of its divisors is an integer number (23788128).

Almost surely, 2^388633473 is an apocalyptic number.

It is an amenable number.

388633473 is a deficient number, since it is larger than the sum of its proper divisors (182281599).

388633473 is a wasteful number, since it uses less digits than its factorization.

388633473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645 (or 2642 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 388633473 is about 19713.7889052308. The cubic root of 388633473 is about 729.7600218257.

The spelling of 388633473 in words is "three hundred eighty-eight million, six hundred thirty-three thousand, four hundred seventy-three".